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  In 2016, astronomers using data from NASA’s Kepler mission, discovered a planet unlike anything in our solar system –a “water world” planetary system orbiting the star Kepler-62 –a five-planet system with two worlds in the habitable zone — their surfaces completely covered by an endless global ocean with no land or mountains in sight. “Utterly Different Worlds Than Earth” “These are utterly different worlds compared to our own Earth,” said Harvard University astronomer Li Zeng in 2019 about the chances that water worlds are a common feature of the Milky Way, which was h...

  The Milky Way is a dynamic museum of ancient merging relics, river-like streams of stars stripped from dwarf satellite galaxies that flow through the galaxy revealing its history and structure that allow astronomers to better understand how galaxies in the universe have formed and evolved. Remnants of Dwarf Satellite Galaxies “Stellar streams are the remnants of dwarf satellite galaxies that are swallowed by the Milky Way, but have not been fully digested,” said  Zhao Gang from National Astronomical Observatories of Chinese Academy of Sciences (NAOC). “The accretion process is not t...

  Astronomers have recently speculated that our nearest neighbor, Venus, may have been he first habitable planet in the Solar System — “a place where life was just as likely to arise as it was on Earth,” says Darby Dyar, a planetary scientist at Mount Holyoke College with NASA’s Solar System Exploration team. Coming off its fifth encounter with the Sun in 2020, the NASA’s Parker Solar Probe headed toward Venus, where on July 11, the spacecraft performed its first outbound flyby of Venus, passing approximately 516 miles above the surface as it curved around the planet passing throug...

  Seven minutes of harrowing descent to the Red Planet occured on February 18th when NASA’s Perseverance rover — a robotic “scientist” weighing 2,260 pounds–parachuted through the tenuous Martian air, marking a new era in red planet exploration. Once at the top of the Red Planet’s atmosphere, a science-fiction movie descent began as it dropped through temperatures equivalent to the surface of the Sun, along with a supersonic parachute inflation, and the first ever autonomous guided landing on Mars delivering the biggest, heaviest, cleanest, and most sophisticated six-wheeled robo...

  In 1967, Jocelyn Bell, then a graduate student in astronomy at Cambridge University, noticed a strange signal, a series of sharp pulses that came every 1.3 seconds, in the data of her radio telescope that seemed too fast to be coming from anything like a star. Bell and her advisor Anthony Hewish initially thought they might have detected a signal from an extraterrestrial civilization that they named LGM-1, for “Little Green Men.” (It was later renamed.) It turned out not be aliens, but rather the discovery of the first pulsar. ‘Spider’ Pulsar System Now, more than 50 years later, ...